Farmers in Hosur allege Tata Electronics iPhone plant discharged chemical effluents into farmland, contaminating groundwater. TNPCB found TDS up to 2,450 mg/L (limit 1,000), BOD/COD far exceeding norms. Raises questions about Zero Liquid Discharge compliance, industrial regulation, and farmer livelihoods — crucial for GS3 (Environment, Agriculture, Governance).
Exam Lens
Quick Exam Facts From News
1-Minute Revision
- ›TDS in pond samples: 1,916 – 2,450 mg/L
- ›Permissible TDS norm: Not above 1,000 mg/L (or <500 ppm)
- ›Target this Data: TDS of 2,450 mg/L vs norm of 1,000 mg/L for percolation ponds
- ›Target this Nodal Body: Tamil Nadu Pollution Control Board (TNPCB)
- ›Target this Concept: Zero Liquid Discharge (ZLD) / Multiple Effect Evaporator (MEE)
Mastered this topic? Test your knowledge with a full MCQ quiz.
Practice exam-style questions, track your score, and strengthen your recall.